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attache: get some DMA working.

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This commit is contained in:
mahlemiut 2013-05-23 11:01:51 +00:00
parent 3a71f13fe3
commit ad8e5da301
1 changed files with 16 additions and 10 deletions
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26
src/mess/drivers/attache.c
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@ -153,6 +153,8 @@ public:
DECLARE_WRITE8_MEMBER(fdc_dma_w);
DECLARE_READ8_MEMBER(memmap_r);
DECLARE_WRITE8_MEMBER(memmap_w);
DECLARE_READ8_MEMBER(dma_mem_r);
DECLARE_WRITE8_MEMBER(dma_mem_w);
void fdc_intrq_w(bool state);
void fdc_drq_w(bool state);
DECLARE_WRITE_LINE_MEMBER(hreq_w);
@ -552,25 +554,32 @@ WRITE8_MEMBER(attache_state::dma_mask_w)
READ8_MEMBER(attache_state::fdc_dma_r)
{
UINT8 ret = m_fdc->dma_r();
logerror("DMA: read data %02x\n",ret);
return ret;
}
WRITE8_MEMBER(attache_state::fdc_dma_w)
{
m_fdc->dma_w(data);
logerror("DMA: write data %02x\n",data);
}
READ8_MEMBER(attache_state::dma_mem_r)
{
return m_maincpu->space(AS_PROGRAM).read_byte(offset);
}
WRITE8_MEMBER(attache_state::dma_mem_w)
{
m_maincpu->space(AS_PROGRAM).write_byte(offset,data);
}
void attache_state::fdc_intrq_w(bool state)
{
m_ctc->trg3(state);
logerror("FDC: INT Request %i\n",state);
}
void attache_state::fdc_drq_w(bool state)
{
m_dma->dreq0_w(state);
m_dma->dreq0_w(state ^ 1);
}
WRITE_LINE_MEMBER( attache_state::hreq_w )
@ -578,18 +587,15 @@ WRITE_LINE_MEMBER( attache_state::hreq_w )
m_maincpu->set_input_line(INPUT_LINE_HALT, state ? ASSERT_LINE : CLEAR_LINE);
m_dma->hack_w(state);
logerror("DMA: Halt Request %i\n",state);
}
WRITE_LINE_MEMBER(attache_state::eop_w)
{
m_fdc->tc_w(state);
logerror("DMA: EOP %i\n",state);
}
WRITE_LINE_MEMBER( attache_state::fdc_dack_w )
{
logerror("DMA: DMA Acknowledge %i\n",state);
}
static ADDRESS_MAP_START( attache_map , AS_PROGRAM, 8, attache_state)
@ -741,10 +747,10 @@ static const z80ctc_interface ctc_interface =
static const am9517a_interface dma_interface =
{
DEVCB_NULL,//DEVCB_DRIVER_LINE_MEMBER(attache_state,hreq_w), // out_hreq_cb
DEVCB_DRIVER_LINE_MEMBER(attache_state,hreq_w), // out_hreq_cb
DEVCB_DRIVER_LINE_MEMBER(attache_state,eop_w), // out_eop_cb
DEVCB_NULL, // in_memr_cb
DEVCB_NULL, // out_memw_cb
DEVCB_DRIVER_MEMBER(attache_state,dma_mem_r), // in_memr_cb
DEVCB_DRIVER_MEMBER(attache_state,dma_mem_w), // out_memw_cb
{DEVCB_DRIVER_MEMBER(attache_state,fdc_dma_r), DEVCB_NULL, DEVCB_NULL, DEVCB_NULL}, // in_ior_cb[4]
{DEVCB_DRIVER_MEMBER(attache_state,fdc_dma_w), DEVCB_NULL, DEVCB_NULL, DEVCB_NULL}, // out_iow_cb[4]
{DEVCB_DRIVER_LINE_MEMBER(attache_state,fdc_dack_w), DEVCB_NULL, DEVCB_NULL, DEVCB_NULL} // out_dack_cb[4]